Support structure of a chair



FIG. 1 is a left side elevational view of a support structure of a chairshowing my new design;

FIG. 2 is a right side elevational view showing the design of thesupport structure of FIG. 1;

FIG. 3 is a back elevational view showing the design of the supportstructure of FIG. 1;

FIG. 4 is a front elevational view showing the design of the supportstructure of FIG. 1;

FIG. 5 is a top elevational view showing the design of the supportstructure of FIG. 1; and,

FIG. 6 is a perspective view showing the design of the support structureof FIG. 1.

In FIGS. 1-6, the broken lines showing the seat member, the feetmembers, and the back support member are for illustrative purposes onlyand form no part of the claimed design.

The ornamental design for a support structure of a chair, as shown anddescribed.